However, clearly, the object contained within was not the diadem, but something of a more insidious nature.

That was the truly insidious nature of his plan!

It was this insidious nature that lead Bo-bobo into the park to save his friend and find Jelly.

The insidious nature of PA may mean that diagnosis is delayed.

The insidious nature of the issue comes from the fact that it involves kid organized sports.

Somewhere, between the affairs of the big shot and the dead engineers, lay crime of an insidious nature.

That is the insidious nature of his power.

I will attempt to show that answers to this question have to do with the almost hidden insidious nature of modern life.

The insidious nature of "homosexuals" makes this word trickier to challenge.

I don't think they fully understand the insidious nature of the problems we face.